DE69329975D1 - MAGNETORHEOLOGICAL MATERIALS USING SURFACE-MODIFIED PARTICLES - Google Patents
MAGNETORHEOLOGICAL MATERIALS USING SURFACE-MODIFIED PARTICLESInfo
- Publication number
- DE69329975D1 DE69329975D1 DE69329975T DE69329975T DE69329975D1 DE 69329975 D1 DE69329975 D1 DE 69329975D1 DE 69329975 T DE69329975 T DE 69329975T DE 69329975 T DE69329975 T DE 69329975T DE 69329975 D1 DE69329975 D1 DE 69329975D1
- Authority
- DE
- Germany
- Prior art keywords
- modified particles
- magnetorheological materials
- magnetorheological
- materials
- particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
- H01F1/447—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lubricants (AREA)
- Soft Magnetic Materials (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US96968792A | 1992-10-30 | 1992-10-30 | |
PCT/US1993/010285 WO1994010694A1 (en) | 1992-10-30 | 1993-10-27 | Magnetorheological materials utilizing surface-modified particles |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69329975D1 true DE69329975D1 (en) | 2001-04-05 |
DE69329975T2 DE69329975T2 (en) | 2001-07-19 |
Family
ID=25515862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69329975T Expired - Fee Related DE69329975T2 (en) | 1992-10-30 | 1993-10-27 | MAGNETORHEOLOGICAL MATERIALS USING SURFACE-MODIFIED PARTICLES |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0672294B1 (en) |
JP (1) | JP3226925B2 (en) |
CN (1) | CN1088021A (en) |
CA (1) | CA2148001A1 (en) |
DE (1) | DE69329975T2 (en) |
RU (1) | RU2115967C1 (en) |
WO (1) | WO1994010694A1 (en) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5578238A (en) * | 1992-10-30 | 1996-11-26 | Lord Corporation | Magnetorheological materials utilizing surface-modified particles |
US5900184A (en) * | 1995-10-18 | 1999-05-04 | Lord Corporation | Method and magnetorheological fluid formulations for increasing the output of a magnetorheological fluid device |
US5670077A (en) * | 1995-10-18 | 1997-09-23 | Lord Corporation | Aqueous magnetorheological materials |
US5667715A (en) * | 1996-04-08 | 1997-09-16 | General Motors Corporation | Magnetorheological fluids |
US5683615A (en) * | 1996-06-13 | 1997-11-04 | Lord Corporation | Magnetorheological fluid |
US5705085A (en) * | 1996-06-13 | 1998-01-06 | Lord Corporation | Organomolybdenum-containing magnetorheological fluid |
US5947238A (en) * | 1997-03-05 | 1999-09-07 | Lord Corporation | Passive magnetorheological fluid device with excursion dependent characteristic |
US5993358A (en) * | 1997-03-05 | 1999-11-30 | Lord Corporation | Controllable platform suspension system for treadmill decks and the like and devices therefor |
US6095486A (en) * | 1997-03-05 | 2000-08-01 | Lord Corporation | Two-way magnetorheological fluid valve assembly and devices utilizing same |
DE10153547A1 (en) | 2001-10-30 | 2003-05-22 | Degussa | Dispersion containing pyrogenically produced abrasive particles with superparamagnetic domains |
US7063802B2 (en) * | 2003-03-28 | 2006-06-20 | Ferrotec Corporation | Composition and method of making an element-modified ferrofluid |
DE102004041650B4 (en) | 2004-08-27 | 2006-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheological materials with high switching factor and their use |
DE102004041651B4 (en) | 2004-08-27 | 2006-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheological materials with magnetic and non-magnetic inorganic additives and their use |
DE102004041649B4 (en) | 2004-08-27 | 2006-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetorheological elastomers and their use |
WO2008034820A1 (en) | 2006-09-22 | 2008-03-27 | Basf Se | Magnetorheological formulation |
JP5168446B2 (en) | 2007-01-26 | 2013-03-21 | 日産自動車株式会社 | Lubricating oil composition |
WO2010141336A1 (en) * | 2009-06-01 | 2010-12-09 | Lord Corporation | High durability magnetorheological fluids |
DE102010026782A1 (en) | 2010-07-09 | 2012-01-12 | Eckart Gmbh | Platelet-shaped iron pigments, magnetorheological fluid and device |
US20150068219A1 (en) | 2013-09-11 | 2015-03-12 | Astronautics Corporation Of America | High Porosity Particulate Beds Structurally Stabilized by Epoxy |
CN105131904B (en) * | 2015-08-07 | 2017-11-28 | 辽宁科技大学 | A kind of magnetic abrasive and preparation method thereof |
CN107120540B (en) * | 2016-12-02 | 2019-12-27 | 深圳市长运通半导体技术有限公司 | Heat dissipation compound oil and LED liquid lamp |
CN107464684B (en) * | 2017-08-30 | 2020-04-21 | 包头天和磁材科技股份有限公司 | Method for treating sintered magnet |
CN108003966A (en) * | 2017-11-28 | 2018-05-08 | 青岛海澄知识产权事务有限公司 | A kind of molybdenum disulfide and titanium dioxide modification ferriferrous oxide nano composite material |
CN111269740A (en) * | 2020-02-13 | 2020-06-12 | 清华大学 | Magnetorheological fluid composition and preparation method thereof |
CN112126493B (en) * | 2020-09-28 | 2022-09-09 | 国网河南省电力公司周口供电公司 | Optical fiber ointment and optical fiber composite carbon fiber lead |
CN112552987A (en) * | 2021-01-19 | 2021-03-26 | 江西赛诺得新材料有限公司 | Preparation method of ultra-stable silicone oil-based magnetorheological fluid |
CN114921175A (en) * | 2022-05-19 | 2022-08-19 | 湖北大学 | Preparation method of magnetic response composite gel surface for controlling high-performance liquid drops and bubbles |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2661596A (en) * | 1950-01-28 | 1953-12-08 | Wefco Inc | Field controlled hydraulic device |
US3764540A (en) * | 1971-05-28 | 1973-10-09 | Us Interior | Magnetofluids and their manufacture |
US3917538A (en) * | 1973-01-17 | 1975-11-04 | Ferrofluidics Corp | Ferrofluid compositions and process of making same |
US4485024A (en) * | 1982-04-07 | 1984-11-27 | Nippon Seiko Kabushiki Kaisha | Process for producing a ferrofluid, and a composition thereof |
DE69008254T2 (en) * | 1989-06-27 | 1994-08-04 | Trw Inc | Liquid that reacts to a magnetic field. |
US4992190A (en) * | 1989-09-22 | 1991-02-12 | Trw Inc. | Fluid responsive to a magnetic field |
JP2666503B2 (en) * | 1990-01-25 | 1997-10-22 | トヨタ自動車株式会社 | Magnetic powder fluid |
-
1993
- 1993-10-27 RU RU95110047A patent/RU2115967C1/en active
- 1993-10-27 DE DE69329975T patent/DE69329975T2/en not_active Expired - Fee Related
- 1993-10-27 WO PCT/US1993/010285 patent/WO1994010694A1/en active IP Right Grant
- 1993-10-27 JP JP51127294A patent/JP3226925B2/en not_active Expired - Fee Related
- 1993-10-27 EP EP94900405A patent/EP0672294B1/en not_active Expired - Lifetime
- 1993-10-27 CA CA 2148001 patent/CA2148001A1/en not_active Abandoned
- 1993-10-30 CN CN 93120749 patent/CN1088021A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0672294A4 (en) | 1995-06-14 |
EP0672294A1 (en) | 1995-09-20 |
DE69329975T2 (en) | 2001-07-19 |
RU2115967C1 (en) | 1998-07-20 |
JPH08503009A (en) | 1996-04-02 |
JP3226925B2 (en) | 2001-11-12 |
CN1088021A (en) | 1994-06-15 |
RU95110047A (en) | 1997-01-27 |
EP0672294B1 (en) | 2001-02-28 |
WO1994010694A1 (en) | 1994-05-11 |
CA2148001A1 (en) | 1994-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: ZEITLER, VOLPERT, KANDLBINDER, 80539 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |